RHM 03

FLOW SENSOR

The RHM 03 is available with a wide selection of wetted materials and the highest pressure and temperature ratings in the market. It is suitable for all low flow applications where high accuracy is a must.

Range: 0.03 kg/min up to 7.5 kg/min
Pressure: up to 1311 bar (19014 psi)
Temperature: -196°C (-321°F) up to +210°C (410°F)
Accuracy: 0.1 % of rate
Materials: SS 316L / SS 316Ti, Super Duplex – 1.4410, Alloy C22 – 2.4602
Process Connection: ¼" up to 1"

CONFIGURE

CATEGORY Small Size Sensors, Chemical Injection, Fuel Consumption, Oil Measurement, Painting/Coating Lines, Plastics Production

Face to Face dimension

Manifold design with thread connections

parallel tube / dual path

Process Connection	Face to Face (L)
Female Thread G ¼"	60 mm / 2.36 in
Female Thread ¼" NPT	60 mm / 2.36 in
Autoclave ⅜" MP – ⁹⁄₁₆" – 18 UNF Female Thread	70 mm / 2.76 in

Dimension	mm / in
A	120 mm / 4.72 in
B	40 mm / 1.57 in
H1	197 mm / 7.76 in
H2	184 mm / 7.24 in
H3	167 mm / 6.57 in
W	See datasheet

Manifold design with thread connections

serial tube / single path

Process Connection	Face to Face (L)
Female Thread G ¼"	60 mm / 2.36 in
Female Thread ¼" NPT	60 mm / 2.36 in
Autoclave ⅜" MP - ⁹⁄₁₆" - 18 UNF Female Thread	70 mm / 2.76 in

Dimension	mm / in
A	136 mm / 5.35 in
B	40 mm / 1.57 in
H1	275 mm / 10.83 in
H2	217 mm / 8.54 in
H3	200 mm / 7.87 in
W	See datasheet

Manifold design with flange connections

parallel tube / dual path

Process Connection	Face to Face (L)
Flange ANSI ½" 150#RF	220 mm / 8.66 in
Flange ANSI ½" 300#RF	220 mm / 8.66 in
Flange ANSI ½" 600#RF	220 mm / 8.66 in
Flange ANSI ½" 1500#RF	300 mm / 11.81 in
Flange ANSI ½" 1500#RTJ	300 mm / 11.81 in
Flange DIN DN15/PN40	220 mm / 8.66 in
Flange DIN DN15/PN100	220 mm / 8.66 in
Flange DIN DN15/PN160	220 mm / 8.66 in
Flange JIS B 2220 RF 10k 15A	220 mm / 8.66 in
Flange JIS B 2220 RF 20k 15A	220 mm / 8.66 in

Dimension	mm / in
A	136 mm / 5.35 in
B	40 mm / 1.57 in
H1	230 mm / 9.06 in
H2	217 mm / 8.54 in
H3	200 mm / 7.87 in
W	See datasheet

Manifold design with flange connections

serial tube / single path

Process Connection	Face to Face (L)
Flange ANSI ½" 150#RF	220 mm / 8.66 in
Flange ANSI ½" 300#RF	220 mm / 8.66 in
Flange ANSI ½" 600#RF	220 mm / 8.66 in
Flange ANSI ½" 1500#RF	300 mm / 11.81 in
Flange ANSI ½" 1500#RTJ	300 mm / 11.81 in
Flange DIN DN15/PN40	220 mm / 8.66 in
Flange DIN DN15/PN100	220 mm / 8.66 in
Flange DIN DN15/PN160	220 mm / 8.66 in
Flange JIS B 2220 RF 10k 15A	220 mm / 8.66 in
Flange JIS B 2220 RF 20k 15A	220 mm / 8.66 in

Dimension	mm / in
A	136 mm / 5.35 in
B	40 mm / 1.57 in
H1	230 mm / 9.06 in
H2	217 mm / 8.54 in
H3	200 mm / 7.87 in
W	See datasheet

Sealless design with flange connections

parallel / dual path

Process Connection	Face to Face (L)
Flange ANSI ½" 150#RF	236 mm / 9.29 in
Flange ANSI ½" 300#RF	236 mm / 9.29 in
Flange ANSI ½" 600#RF	236 mm / 9.29 in
Flange ANSI ½" 1500#RF	316 mm / 12.44 in
Flange ANSI ½" 2500#RF	316 mm / 12.44 in
Flange ANSI ½" 1500#RTJ	316 mm / 12.44 in
Flange ANSI ½" 2500#RTJ	316 mm / 12.44 in
Flange DIN DN15/PN40 Form B1	236 mm / 9.29 in
Flange DIN DN15/PN100 Form B2	236 mm / 9.29 in
Flange DIN DN15/PN160 Form B2	236 mm / 9.29 in
Flange JIS B 2220 RF 10k 15A	236 mm / 9.29 in
Flange JIS B 2220 RF 20k 15A	236 mm / 9.29 in
Grayloc® Hub 1" GR4	316 mm / 12.44 in

Dimension	mm / in
A	136 mm / 5.35 in
B	40 mm / 1.57 in
H1	247 mm / 9.72 in
H2	227 mm / 8.94 in
H3	200 mm / 7.87 in
W	See datasheet

Sealless design with threaded connections

parallel / dual path

Process Connection	Face to Face (L)
Female Thread G ¼"	236 mm / 9.29 in
Female Thread ¼" NPT	236 mm / 9.29 in
Autoclave ⅜" MP – ⁹⁄₁₆" – 18 UNF Female Thread	236 mm / 9.29 in
Swagelok® ¼" Tube Inlet male (SS-400-1-4W)	236 mm / 9.29 in
Swagelok® ¼" O-Ring Connection male (SS-4-VCO-1)	Consult Factory
Swagelok® ¼" O-Ring Connection female (SS-4-VCO-3 and -4)	Consult Factory
Swagelok® ¼" with Metal Gasket female (SS-4-VCR-1 and -3)	Consult Factory

Dimension	mm / in
A	136 mm / 5.35 in
B	40 mm / 1.57 in
H1	247 mm / 9.72 in
H2	227 mm / 8.94 in
H3	200 mm / 7.87 in
W	See datasheet

Common Dimensions for all Construction Types

Standard blue aluminum terminal box, size = 125 x 80 x 57 mm (4.92 x 3.15 x 2.24 in)
Terminal boxes are supplied with an M20 x 1.5 cable entry and a polyamide compression cable gland fitting (for cable diameters 7 - 14 mm / 0.28 - 0.56 in). M25 x 1.5, 1⁄2” NPT, 3⁄4” NPT cable entries (without gland) are optionally available and must be ordered separately
Optionally available: SS 316 box, size = 100 x 100 x 61 mm (3.94 x 3.94 x 2.40 in) – only with remote transmitter

For more information and dimensions see datasheet under downloads.

Downloads